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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">* Copyright (c) 2006-2010 Erin Catto http://www.box2d.org</span>
<a name="l00003"></a>00003 <span class="comment">*</span>
<a name="l00004"></a>00004 <span class="comment">* This software is provided &#39;as-is&#39;, without any express or implied</span>
<a name="l00005"></a>00005 <span class="comment">* warranty.  In no event will the authors be held liable for any damages</span>
<a name="l00006"></a>00006 <span class="comment">* arising from the use of this software.</span>
<a name="l00007"></a>00007 <span class="comment">* Permission is granted to anyone to use this software for any purpose,</span>
<a name="l00008"></a>00008 <span class="comment">* including commercial applications, and to alter it and redistribute it</span>
<a name="l00009"></a>00009 <span class="comment">* freely, subject to the following restrictions:</span>
<a name="l00010"></a>00010 <span class="comment">* 1. The origin of this software must not be misrepresented; you must not</span>
<a name="l00011"></a>00011 <span class="comment">* claim that you wrote the original software. If you use this software</span>
<a name="l00012"></a>00012 <span class="comment">* in a product, an acknowledgment in the product documentation would be</span>
<a name="l00013"></a>00013 <span class="comment">* appreciated but is not required.</span>
<a name="l00014"></a>00014 <span class="comment">* 2. Altered source versions must be plainly marked as such, and must not be</span>
<a name="l00015"></a>00015 <span class="comment">* misrepresented as being the original software.</span>
<a name="l00016"></a>00016 <span class="comment">* 3. This notice may not be removed or altered from any source distribution.</span>
<a name="l00017"></a>00017 <span class="comment">*/</span>
<a name="l00018"></a>00018 
<a name="l00019"></a>00019 <span class="preprocessor">#ifndef B2_CHAIN_SHAPE_H</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define B2_CHAIN_SHAPE_H</span>
<a name="l00021"></a>00021 <span class="preprocessor"></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include &lt;Box2D/Collision/Shapes/b2Shape.h&gt;</span>
<a name="l00023"></a>00023 
<a name="l00024"></a>00024 <span class="keyword">class </span><a class="code" href="classb2_edge_shape.html">b2EdgeShape</a>;
<a name="l00025"></a>00025 
<a name="l00032"></a><a class="code" href="classb2_chain_shape.html">00032</a> <span class="keyword">class </span><a class="code" href="classb2_chain_shape.html">b2ChainShape</a> : <span class="keyword">public</span> <a class="code" href="classb2_shape.html">b2Shape</a>
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 <span class="keyword">public</span>:
<a name="l00035"></a>00035         <a class="code" href="classb2_chain_shape.html">b2ChainShape</a>();
<a name="l00036"></a>00036 
<a name="l00038"></a>00038         <a class="code" href="classb2_chain_shape.html#a8c032394f5a85e7fc425a437e7689a18" title="The destructor frees the vertices using b2Free.">~b2ChainShape</a>();
<a name="l00039"></a>00039 
<a name="l00043"></a>00043         <span class="keywordtype">void</span> <a class="code" href="classb2_chain_shape.html#ac257742a52cac391e25962a4c703fb06">CreateLoop</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html" title="A 2D column vector.">b2Vec2</a>* vertices, int32 count);
<a name="l00044"></a>00044 
<a name="l00048"></a>00048         <span class="keywordtype">void</span> <a class="code" href="classb2_chain_shape.html#aa0977339b743c05f2179939ccc38e7e0">CreateChain</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html" title="A 2D column vector.">b2Vec2</a>* vertices, int32 count);
<a name="l00049"></a>00049 
<a name="l00052"></a>00052         <span class="keywordtype">void</span> <a class="code" href="classb2_chain_shape.html#aeb2ddbe0c52a98885e91b7c8f597315b">SetPrevVertex</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html" title="A 2D column vector.">b2Vec2</a>&amp; prevVertex);
<a name="l00053"></a>00053 
<a name="l00056"></a>00056         <span class="keywordtype">void</span> <a class="code" href="classb2_chain_shape.html#a15c7c2821a52266ef57621ac7d34a95f">SetNextVertex</a>(<span class="keyword">const</span> <a class="code" href="structb2_vec2.html" title="A 2D column vector.">b2Vec2</a>&amp; nextVertex);
<a name="l00057"></a>00057 
<a name="l00059"></a>00059         <a class="code" href="classb2_shape.html">b2Shape</a>* <a class="code" href="classb2_chain_shape.html#a651a039aa4584e48df91db8108729bfa" title="Implement b2Shape. Vertices are cloned using b2Alloc.">Clone</a>(<a class="code" href="classb2_block_allocator.html">b2BlockAllocator</a>* allocator) <span class="keyword">const</span>;
<a name="l00060"></a>00060 
<a name="l00062"></a>00062         int32 <a class="code" href="classb2_chain_shape.html#a44bd58b9602dbe57cdfc3b66f8f03b61">GetChildCount</a>() <span class="keyword">const</span>;
<a name="l00063"></a>00063 
<a name="l00065"></a>00065         <span class="keywordtype">void</span> <a class="code" href="classb2_chain_shape.html#a614e630221ac7f19257c9351edf4bd12" title="Get a child edge.">GetChildEdge</a>(<a class="code" href="classb2_edge_shape.html">b2EdgeShape</a>* edge, int32 index) <span class="keyword">const</span>;
<a name="l00066"></a>00066 
<a name="l00069"></a>00069         <span class="keywordtype">bool</span> <a class="code" href="classb2_chain_shape.html#a4fc27b41ecc556985efacf8e0f91c39f">TestPoint</a>(<span class="keyword">const</span> <a class="code" href="structb2_transform.html">b2Transform</a>&amp; transform, <span class="keyword">const</span> <a class="code" href="structb2_vec2.html" title="A 2D column vector.">b2Vec2</a>&amp; p) <span class="keyword">const</span>;
<a name="l00070"></a>00070 
<a name="l00072"></a>00072         <span class="keywordtype">bool</span> <a class="code" href="classb2_chain_shape.html#a85c7a17a15581e0e258c7af561cf5403" title="Implement b2Shape.">RayCast</a>(<a class="code" href="structb2_ray_cast_output.html">b2RayCastOutput</a>* output, <span class="keyword">const</span> <a class="code" href="structb2_ray_cast_input.html" title="Ray-cast input data. The ray extends from p1 to p1 + maxFraction * (p2 - p1).">b2RayCastInput</a>&amp; input,
<a name="l00073"></a>00073                                         <span class="keyword">const</span> <a class="code" href="structb2_transform.html">b2Transform</a>&amp; transform, int32 childIndex) <span class="keyword">const</span>;
<a name="l00074"></a>00074 
<a name="l00076"></a>00076         <span class="keywordtype">void</span> <a class="code" href="classb2_chain_shape.html#a409c21206e4c84f66700809aac5b164c">ComputeAABB</a>(<a class="code" href="structb2_a_a_b_b.html" title="An axis aligned bounding box.">b2AABB</a>* aabb, <span class="keyword">const</span> <a class="code" href="structb2_transform.html">b2Transform</a>&amp; transform, int32 childIndex) <span class="keyword">const</span>;
<a name="l00077"></a>00077 
<a name="l00080"></a>00080         <span class="keywordtype">void</span> <a class="code" href="classb2_chain_shape.html#a009259d589abebeda27fe580d117b11e">ComputeMass</a>(<a class="code" href="structb2_mass_data.html" title="This holds the mass data computed for a shape.">b2MassData</a>* massData, float32 density) <span class="keyword">const</span>;
<a name="l00081"></a>00081 
<a name="l00083"></a><a class="code" href="classb2_chain_shape.html#a481116a6886fb3880b13e55c966579da">00083</a>         <a class="code" href="structb2_vec2.html" title="A 2D column vector.">b2Vec2</a>* <a class="code" href="classb2_chain_shape.html#a481116a6886fb3880b13e55c966579da" title="The vertices. Owned by this class.">m_vertices</a>;
<a name="l00084"></a>00084 
<a name="l00086"></a><a class="code" href="classb2_chain_shape.html#ab2ad711781e6ac81179074e90e0e058b">00086</a>         int32 <a class="code" href="classb2_chain_shape.html#ab2ad711781e6ac81179074e90e0e058b" title="The vertex count.">m_count</a>;
<a name="l00087"></a>00087 
<a name="l00088"></a>00088         <a class="code" href="structb2_vec2.html" title="A 2D column vector.">b2Vec2</a> m_prevVertex, m_nextVertex;
<a name="l00089"></a>00089         <span class="keywordtype">bool</span> m_hasPrevVertex, m_hasNextVertex;
<a name="l00090"></a>00090 };
<a name="l00091"></a>00091 
<a name="l00092"></a>00092 <span class="keyword">inline</span> b2ChainShape::b2ChainShape()
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094         m_type = e_chain;
<a name="l00095"></a>00095         m_radius = <a class="code" href="b2_settings_8h.html#afc0f934dabffb1e83e081249133ad860">b2_polygonRadius</a>;
<a name="l00096"></a>00096         <a class="code" href="classb2_chain_shape.html#a481116a6886fb3880b13e55c966579da" title="The vertices. Owned by this class.">m_vertices</a> = NULL;
<a name="l00097"></a>00097         <a class="code" href="classb2_chain_shape.html#ab2ad711781e6ac81179074e90e0e058b" title="The vertex count.">m_count</a> = 0;
<a name="l00098"></a>00098         m_hasPrevVertex = NULL;
<a name="l00099"></a>00099         m_hasNextVertex = NULL;
<a name="l00100"></a>00100 }
<a name="l00101"></a>00101 
<a name="l00102"></a>00102 <span class="preprocessor">#endif</span>
</pre></div></div>
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